2204800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 5976180

約数和(自身を除く): 3771380

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 64, 65, 80, 100, 104, 106, 128, 130, 160, 200, 208, 212, 260, 265, 320, 325, 400, 416, 424, 520, 530, 640, 650, 689, 800, 832, 848, 1040, 1060, 1300, 1325, 1378, 1600, 1664, 1696, 2080, 2120, 2600, 2650, 2756, 3200, 3392, 3445, 4160, 4240, 5200, 5300, 5512, 6784, 6890, 8320, 8480, 10400, 10600, 11024, 13780, 16960, 17225, 20800, 21200, 22048, 27560, 33920, 34450, 41600, 42400, 44096, 55120, 68900, 84800, 88192, 110240, 137800, 169600, 220480, 275600, 440960, 551200, 1102400, 2204800]

約数ペア:

[(1, 2204800), (2, 1102400), (4, 551200), (5, 440960), (8, 275600), (10, 220480), (13, 169600), (16, 137800), (20, 110240), (25, 88192), (26, 84800), (32, 68900), (40, 55120), (50, 44096), (52, 42400), (53, 41600), (64, 34450), (65, 33920), (80, 27560), (100, 22048), (104, 21200), (106, 20800), (128, 17225), (130, 16960), (160, 13780), (200, 11024), (208, 10600), (212, 10400), (260, 8480), (265, 8320), (320, 6890), (325, 6784), (400, 5512), (416, 5300), (424, 5200), (520, 4240), (530, 4160), (640, 3445), (650, 3392), (689, 3200), (800, 2756), (832, 2650), (848, 2600), (1040, 2120), (1060, 2080), (1300, 1696), (1325, 1664), (1378, 1600)]